#include <string>
#include <windows.h>
using namespace std;
//Converting a WChar string to a Ansi string
std::string WChar2Ansi(LPCWSTR pwszSrc)
{
int nLen = WideCharToMultiByte(CP_ACP, 0, pwszSrc, -1, NULL, 0, NULL, NULL);

if (nLen<= 0) return std::string("");

char* pszDst = new char[nLen];
if (NULL == pszDst) return std::string("");

WideCharToMultiByte(CP_ACP, 0, pwszSrc, -1, pszDst, nLen, NULL, NULL);
pszDst[nLen -1] = 0;

std::string strTemp(pszDst);
delete [] pszDst;

return strTemp;
}

string ws2s(wstring& inputws){ return WChar2Ansi(inputws.c_str()); }


//Converting a Ansi string to WChar string

std::wstring Ansi2WChar(LPCSTR pszSrc, int nLen)

{
int nSize = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pszSrc, nLen, 0, 0);
if(nSize <= 0) return NULL;

WCHAR *pwszDst = new WCHAR[nSize+1];
if( NULL == pwszDst) return NULL;

MultiByteToWideChar(CP_ACP, 0,(LPCSTR)pszSrc, nLen, pwszDst, nSize);
pwszDst[nSize] = 0;

if( pwszDst[0] == 0xFEFF) // skip Oxfeff
for(int i = 0; i < nSize; i ++) 
pwszDst[i] = pwszDst[i+1]; 

wstring wcharString(pwszDst);
delete pwszDst;

return wcharString;
}

std::wstring s2ws(const string& s){ return Ansi2WChar(s.c_str(),s.size());}

